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Point disposition of the conditional benchmark network and the railway curve elements 条件基准网络和铁路曲线要素的点配置
IF 1.6 4区 地球科学
Survey Review Pub Date : 2022-08-25 DOI: 10.1080/00396265.2022.2112432
K. Mamonov, O. Saiapin, Y. Orel, S. Kamchatnaya, O. Pustovoitova
{"title":"Point disposition of the conditional benchmark network and the railway curve elements","authors":"K. Mamonov, O. Saiapin, Y. Orel, S. Kamchatnaya, O. Pustovoitova","doi":"10.1080/00396265.2022.2112432","DOIUrl":"https://doi.org/10.1080/00396265.2022.2112432","url":null,"abstract":"Control of geodetic parameters is very important for traffic safety on the railways. Such control must be performed regularly because of the deviation of the track axis due to train traffic. The purpose of the article is the development of a mathematical rationale for the placement of railway benchmarks for the creation of the ‘own’ conditional benchmark network of the railway. These permanent repers are the basic points for both the construction stage and operation stage. The method is described and the curve coordinates from any point of the conditional benchmark network of the railway have been obtained.","PeriodicalId":49459,"journal":{"name":"Survey Review","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2022-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43957656","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mapping and suitability analysis of existing electoral polling units in Katsina local government area of Katsina State, Nigeria 尼日利亚卡齐纳州卡齐纳地方政府区现有选举投票单位的测绘和适用性分析
IF 1.6 4区 地球科学
Survey Review Pub Date : 2022-08-18 DOI: 10.1080/00396265.2022.2100956
A. Bala, S. Pirasteh, Y. Aliyu, A. Ali̇yu, Swafiyudeen Bawa, I. Abdulwahab
{"title":"Mapping and suitability analysis of existing electoral polling units in Katsina local government area of Katsina State, Nigeria","authors":"A. Bala, S. Pirasteh, Y. Aliyu, A. Ali̇yu, Swafiyudeen Bawa, I. Abdulwahab","doi":"10.1080/00396265.2022.2100956","DOIUrl":"https://doi.org/10.1080/00396265.2022.2100956","url":null,"abstract":"This research examined the mapping and analyses of existing polling units in the study area to provide scientific criteria for citing new polling units. The attribute data of the polling units were collected from the Independent National Electoral Commission (INEC), Katsina State, and spatial data was acquired through field observation, for geodatabase creation and query generation. For the suitability mapping, seven parameters criteria were adopted. The generated thematic maps of these criteria were standardised using the fuzzy logic approach. The geodatabase of the existing polling units created showed 281 polling units with their attributes. Also, the suitability map showed regions of suitability and unsuitability. The overlay map showed that 10 polling units were in the region of highly not suitable, 16 not suitable, 26 fairly suitable, then the rest were either highly suitable or suitable. It is recommended that INEC should adopt a scientific method in citing subsequent polling units.","PeriodicalId":49459,"journal":{"name":"Survey Review","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2022-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48566973","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Improved deformation modelling of structures by least-squares variance component estimation based on multi-sensor data integration 基于多传感器数据集成的最小二乘方差分量估计改进结构变形建模
IF 1.6 4区 地球科学
Survey Review Pub Date : 2022-08-11 DOI: 10.1080/00396265.2022.2108667
M. Jafari
{"title":"Improved deformation modelling of structures by least-squares variance component estimation based on multi-sensor data integration","authors":"M. Jafari","doi":"10.1080/00396265.2022.2108667","DOIUrl":"https://doi.org/10.1080/00396265.2022.2108667","url":null,"abstract":"In this contribution, to improve the deformation modelling based on data integration, the LS-VCE algorithm is proposed by obtaining a stochastic model of input multi-sensor data. So, one can achieve the accurate variance-covariance matrix of multi-sensor observations to participate in iterative least-squares. A practical application was made for the settlement observations from geotechnical settlement-meters and geodetic levelling (respectively known as internal and external sensors) to model the surface settlement variation of the Karkhe earth-dam. The determined variance component shows less contribution of the geotechnical settlements in the deformation modelling. An achievement of this paper is that the LS-VCE method improves the integration of the geotechnical with geodetic data by estimating an optimal stochastic model resulting in deformation model optimization. Validation results of estimated surface settlements on the check-points show an RMSE of about 3 cm and a relative-error of about 14%, which indicates the success of the modelling.","PeriodicalId":49459,"journal":{"name":"Survey Review","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2022-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42555684","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study of crustal deformation in Egypt based on GNSS measurements 基于GNSS测量的埃及地壳变形研究
IF 1.6 4区 地球科学
Survey Review Pub Date : 2022-08-08 DOI: 10.1080/00396265.2022.2099690
S. Younes
{"title":"Study of crustal deformation in Egypt based on GNSS measurements","authors":"S. Younes","doi":"10.1080/00396265.2022.2099690","DOIUrl":"https://doi.org/10.1080/00396265.2022.2099690","url":null,"abstract":"This paper presents the study of crustal movements and their relation to earthquake activities within Egypt using the GNSS and seismicity measurements. Fourteen campaigns of GNSS measurements have been collected, processed, and adjusted. The collected data of about 50 permanent and campaign GNSS stations, which covered the whole geographic area of Egypt covering about 12 years, were used. The collected data are utilised using differential GPS with surrounded IGS stations by Bernese software V 5.0. The results of the deformation analysis indicate that northern Egypt is deformed more than the southern part.","PeriodicalId":49459,"journal":{"name":"Survey Review","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2022-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47089421","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Evaluation and comparison of the performance of BDS-3 space-borne atomic clocks 北斗三号星载原子钟性能评估与比较
IF 1.6 4区 地球科学
Survey Review Pub Date : 2022-08-08 DOI: 10.1080/00396265.2022.2101844
Yue Mao, Xiaoyong Song, Qinghua Zhang, Rengui Ruan, Long Wang
{"title":"Evaluation and comparison of the performance of BDS-3 space-borne atomic clocks","authors":"Yue Mao, Xiaoyong Song, Qinghua Zhang, Rengui Ruan, Long Wang","doi":"10.1080/00396265.2022.2101844","DOIUrl":"https://doi.org/10.1080/00396265.2022.2101844","url":null,"abstract":"At present, most of the space-borne atomic clocks used by the major global navigation satellite systems include rubidium atomic clocks, passive hydrogen master (PHM) clocks and cesium atomic clocks. The new independently developed space-borne rubidium atomic clocks and PHM clocks on BeiDou Global Navigation Satellite System (BDS-3) are important hardware improvements. In this paper, performances of new Beidou domestic atomic clocks are evaluated using precise clock offset data from September 2019 to September 2021 and compared with the mainstream space-borne atomic clocks of other satellite navigation systems. The results show that the BDS-3 space-borne PHM clocks have low drift rate and high stability at 86400s interval, which respectively reaches 8.26 × 10−16 and 5.13 × 10−15. These performances are only slightly lower than Galileo PHM clocks. The frequency stability at 86400s interval of BDS-3 rubidium clock is up to 9.03 × 10−15, which is 27.76% higher than GPS rubidium clocks.","PeriodicalId":49459,"journal":{"name":"Survey Review","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2022-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42904064","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Land surveying in Ireland, 1690–1830 爱尔兰的土地测量(1690-1830
IF 1.6 4区 地球科学
Survey Review Pub Date : 2022-07-21 DOI: 10.1080/00396265.2022.2101312
P. Collier
{"title":"Land surveying in Ireland, 1690–1830","authors":"P. Collier","doi":"10.1080/00396265.2022.2101312","DOIUrl":"https://doi.org/10.1080/00396265.2022.2101312","url":null,"abstract":"","PeriodicalId":49459,"journal":{"name":"Survey Review","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2022-07-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42850678","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Investigation of the effect of height difference and geometry of GCP on position accuracy of point cloud in UAV photogrammetry 高差和GCP几何对无人机摄影测量中点云定位精度的影响研究
IF 1.6 4区 地球科学
Survey Review Pub Date : 2022-07-11 DOI: 10.1080/00396265.2022.2097998
K. Hastaoglu, Hacer Sura Kapicioglu, Y. Gül, F. Poyraz
{"title":"Investigation of the effect of height difference and geometry of GCP on position accuracy of point cloud in UAV photogrammetry","authors":"K. Hastaoglu, Hacer Sura Kapicioglu, Y. Gül, F. Poyraz","doi":"10.1080/00396265.2022.2097998","DOIUrl":"https://doi.org/10.1080/00396265.2022.2097998","url":null,"abstract":"In this study, the effect of the height difference, geometry, and number of GCPs on the positional accuracy of point cloud was investigated in UAV photogrammetry. It has been determined that the topographic change of the study area, the geometric structure of GCPs, and the distance between GCPs are the most important factors in GCP network design. It was observed that the GCP network design is more important than the number of GCPs in the UAV Photogrammetry method to increase the positional accuracy.","PeriodicalId":49459,"journal":{"name":"Survey Review","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2022-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45692670","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
New approach to shape elongation estimation based on the Delaunay triangulation 基于Delaunay三角剖分的形状伸长估计新方法
IF 1.6 4区 地球科学
Survey Review Pub Date : 2022-07-11 DOI: 10.1080/00396265.2022.2091876
M. Zygmunt, R. Szewczyk, Jacek Gniadek, J. Janus
{"title":"New approach to shape elongation estimation based on the Delaunay triangulation","authors":"M. Zygmunt, R. Szewczyk, Jacek Gniadek, J. Janus","doi":"10.1080/00396265.2022.2091876","DOIUrl":"https://doi.org/10.1080/00396265.2022.2091876","url":null,"abstract":"Automatic determination of shape parameters is still a current issue due to the dynamic development of technologies requiring image or geometric data analysis. The research described in this paper presents a new approach to the estimation of shape elongation and the calculation of lengths of shapes whose boundaries may be represented by polygons. The proposed algorithm is based on the Delaunay triangulation. The new approach may play a significant role in practical applications concerning spatial pattern analysis, land fragmentation and efficiency of projects focused on land consolidation and landscape fragmentation analysis.","PeriodicalId":49459,"journal":{"name":"Survey Review","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2022-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42069085","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
An adaptive approach to optimise regional geoid undulation model for engineering applications 一种用于工程应用的区域大地水准面起伏模型优化的自适应方法
IF 1.6 4区 地球科学
Survey Review Pub Date : 2022-07-11 DOI: 10.1080/00396265.2022.2096340
Chun-Jia Huang, Jen-Yu Han
{"title":"An adaptive approach to optimise regional geoid undulation model for engineering applications","authors":"Chun-Jia Huang, Jen-Yu Han","doi":"10.1080/00396265.2022.2096340","DOIUrl":"https://doi.org/10.1080/00396265.2022.2096340","url":null,"abstract":"Geoid undulation model is typically used for the conversion between GNSS obtained ellipsoidal heights and their orthometric counterparts. In this study, an adaptive approach for optimizing regional geoid model based on global geoid model and local GNSS/leveling measurements is presented. A rigorous sequential least squares approach coupled with an adjustable criterion is used for identifying appropriate observables so that an optimized model that fulfills a predefined quality level can be automatically produced. It has been demonstrated that a city scale geoid undulation model with a quality level around ± 14 can be obtained by applying the proposed approach.","PeriodicalId":49459,"journal":{"name":"Survey Review","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2022-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47161308","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ambiguity resolution method using BDS/INS model 基于BDS/INS模型的模糊度分辨方法
IF 1.6 4区 地球科学
Survey Review Pub Date : 2022-06-28 DOI: 10.1080/00396265.2022.2089822
F. Wu, J. Zhao, J. Xue, D. Li
{"title":"Ambiguity resolution method using BDS/INS model","authors":"F. Wu, J. Zhao, J. Xue, D. Li","doi":"10.1080/00396265.2022.2089822","DOIUrl":"https://doi.org/10.1080/00396265.2022.2089822","url":null,"abstract":"Due to the highly dynamic changes of the environment, the frequent loss of signal will seriously reduce the accuracy of realtime dynamic positioning. Meanwhile, the ambiguity resolution for medium/long baseline is more affected by atmospheric delay. To solve this problem, an Inertial Navigation System (INS) assisted Beidou Navigation System (BDS) medium/long baseline partial ambiguity resolution (PAR) method is designed. Firstly, constructing the BDS/INS tight integrated system that uses INS provided initial information to ambiguity resolution when the signal outages. Secondly, the atmospheric delay constraint is introduced to improve the precision of float ambiguity. Finally, the PAR based on the elevation angle information is applied to enhance fixed speed and accuracy. The vehicle experiments show that the proposed algorithm can quickly fix the ambiguity of medium/long baseline when the satellite signal outages for a short time, and improve the positioning accuracy of medium/long baseline in the dynamic environment.","PeriodicalId":49459,"journal":{"name":"Survey Review","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2022-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47684461","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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